JUCE/extras/UnitTestRunner/Source/Main.cpp

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.

   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#include <JuceHeader.h>

//==============================================================================
class ConsoleLogger final : public Logger
{
    void logMessage (const String& message) override
    {
        std::cout << message << std::endl;

       #if JUCE_WINDOWS
        Logger::outputDebugString (message);
       #endif
    }
};

//==============================================================================
class ConsoleUnitTestRunner final : public UnitTestRunner
{
    void logMessage (const String& message) override
    {
        Logger::writeToLog (message);
    }
};


//==============================================================================
int main (int argc, char **argv)
{
    ArgumentList args (argc, argv);

    if (args.containsOption ("--help|-h"))
    {
        std::cout << argv[0] << " [--help|-h] [--list-categories] [--category=category] [--seed=seed]" << std::endl;
        return 0;
    }

    if (args.containsOption ("--list-categories"))
    {
        for (auto& category : UnitTest::getAllCategories())
            std::cout << category << std::endl;

        return  0;
    }

    ConsoleLogger logger;
    Logger::setCurrentLogger (&logger);

    ConsoleUnitTestRunner runner;

    auto seed = [&args]
    {
        if (args.containsOption ("--seed"))
        {
            auto seedValueString = args.getValueForOption ("--seed");

            if (seedValueString.startsWith ("0x"))
                return seedValueString.getHexValue64();

            return seedValueString.getLargeIntValue();
        }

        return Random::getSystemRandom().nextInt64();
    }();

    if (args.containsOption ("--category"))
        runner.runTestsInCategory (args.getValueForOption ("--category"), seed);
    else
        runner.runAllTests (seed);

    std::vector<String> failures;

    for (int i = 0; i < runner.getNumResults(); ++i)
    {
        auto* result = runner.getResult (i);

        if (result->failures > 0)
            failures.push_back (result->unitTestName + " / " + result->subcategoryName + ": " + String (result->failures) + " test failure" + (result->failures > 1 ? "s" : ""));
    }

    if (! failures.empty())
    {
        logger.writeToLog (newLine + "Test failure summary:" + newLine);

        for (const auto& failure : failures)
            logger.writeToLog (failure);

        Logger::setCurrentLogger (nullptr);
        return 1;
    }

    logger.writeToLog (newLine + "All tests completed successfully");
    Logger::setCurrentLogger (nullptr);

    return 0;
}